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Finding the Fourth Proportional to 30,700.59, 46,050.89 and 8,513.97

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Solution

The fourth proportional to 30,700.59, 46,050.89 and 8,513.97 is: 12,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.59 : 46,050.89 = 8,513.97 : x
  2. Step 2: Convert to fraction form
    30,700.59/46,050.89 = 8,513.97/x
  3. Step 3: Cross multiply
    30,700.59x = 46,050.89 × 8,513.97
  4. Step 4: Simplify right side
    30,700.59x = 392,075,895.93
  5. Step 5: Solve for x
    x = 392,075,895.93/30,700.59
  6. Step 6: Final answer
    x = 12,770.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.